Severe Thunderstorm Warning 261, NWS Philadelphia/Mount Holly

Issued

Jul 28, 2026, 6:16 PM EDT (22:16 UTC)

Expired

Jul 28, 2026, 6:41 PM EDT

In force

25 min

Issued by

NWS Philadelphia/Mount Holly

Area

Storm-based polygon

Hail

0.75 in

Wind

60.0 mph

Counties Hunterdon County, NJ, Morris County, NJ, Somerset County, NJ

The Philadelphia radar (KDIX), 83 km from the middle of the area, began a volume at 22:16 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

193 
WUUS51 KPHI 282216
SVRPHI
NJC019-027-035-282300-
/O.NEW.KPHI.SV.W.0261.260728T2216Z-260728T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Mount Holly NJ
616 PM EDT Tue Jul 28 2026

The National Weather Service in Mount Holly NJ has issued a

* Severe Thunderstorm Warning for...
  Northeastern Hunterdon County in northwestern New Jersey...
  Southern Morris County in northern New Jersey...
  Northern Somerset County in northern New Jersey...

* Until 700 PM EDT.

* At 616 PM EDT, a severe thunderstorm was located over White House
  Station, or 7 miles northwest of Somerville, moving northeast at 25
  mph.

  HAZARD...60 mph wind gusts and penny size hail.

  SOURCE...Radar indicated.

  IMPACT...Damage to roofs, siding, trees, and power lines is 
           possible.

* Locations impacted include...
  Morristown, Bridgewater, Madison, Mendham, Stanhope, Netcong,
  Peapack And Gladstone, Chester, Lebanon, Far Hills, Succasunna,
  Succasunna-Kenvil, Millington, White House Station, Basking Ridge,
  Long Valley, Budd Lake, Bernardsville, Raritan, and Watchung.

This includes the following highways...
 Interstate 78 in New Jersey between mile markers 21 and 43.
 Interstate 80 in New Jersey between mile markers 28 and 29.
 Interstate 287 in New Jersey between mile markers 18 and 35.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.

&&

LAT...LON 4073 7438 4068 7445 4066 7445 4067 7441
      4065 7441 4055 7475 4063 7485 4091 7469
TIME...MOT...LOC 2216Z 228DEG 21KT 4063 7473 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...0.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

MJL

344 
WWUS51 KPHI 282241
SVSPHI

Severe Weather Statement
National Weather Service Mount Holly NJ
641 PM EDT Tue Jul 28 2026

NJC019-027-035-282251-
/O.CAN.KPHI.SV.W.0261.000000T0000Z-260728T2300Z/
Hunterdon NJ-Morris NJ-Somerset NJ-
641 PM EDT Tue Jul 28 2026

...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN HUNTERDON...
SOUTHERN MORRIS AND NORTHERN SOMERSET COUNTIES IS CANCELLED...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning has been cancelled.  However heavy rain is
still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
northern and northwestern New Jersey.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Mount Holly NJ.

LAT...LON 4073 7438 4068 7445 4066 7445 4067 7441
      4065 7441 4055 7475 4063 7485 4091 7469
TIME...MOT...LOC 2239Z 228DEG 21KT 4073 7459 

$$

MJL

Severe Thunderstorm Warnings in New Jersey, 2026Every severe thunderstorm warning in 2026

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.